# File lib/facter/util/memory.rb, line 85
  def self.mem_free_info(kernel = Facter.value(:kernel))
    case kernel
    when /OpenBSD/i, /SunOS/i, /Dragonfly/i
      vmstat_find_free_memory()
    when /FreeBSD/i
      vmstat_find_free_memory(["-H"])
    when /Darwin/i
      vmstat_darwin_find_free_memory()
    when /AIX/i
      svmon_aix_find_free_memory()
    end
  end